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1999 Tacoma V6 misfire cyl 1

Discussion in '1st Gen. Tacomas (1995-2004)' started by '99Tacoma, Jul 6, 2016.

  1. Jul 6, 2016 at 2:03 PM
    #1
    '99Tacoma

    #1
    '99Tacoma [OP] Member

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    Dan
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    1999 Tan Tacoma 4WD
    Currently Stock
    Hello All!
    I am having a misfire on a 99 Tacoma 3.4 V6, with 135,000 miles on it, in cylinder 1 and have replaced spark plugs, wires, and coil pack. Compression test completed and passed.

    Put Seafoam cleaner in gas today to possibly clean the fuel injector.

    If it is not the fuel injector, I am thinking a bad valve.

    Anyone have this issue previously?

    Thank you for the input!
    Dan
     
    '99Tacoma, Jul 6, 2016
    #1
  2. Jul 6, 2016 at 9:09 PM
    #2
    2stroketrush

    #2
    2stroketrush Well-Known Member

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    Tyler Addison Rush
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    Overland Purpose Built 97 going on 190K.
    Injector buddy, valve would probably show on a compression test.
     
    2stroketrush, Jul 6, 2016
    #2
    '99Tacoma[OP] likes this.
  3. Jul 7, 2016 at 10:08 AM
    #3
    ashleyroachclip

    #3
    ashleyroachclip Well-Known Member

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    Injector is my opinion as well .
     
    ashleyroachclip, Jul 7, 2016
    #3
    '99Tacoma[OP] likes this.
  4. Jul 7, 2016 at 3:36 PM
    #4
    '99Tacoma

    #4
    '99Tacoma [OP] Member

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    Dan
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    1999 Tan Tacoma 4WD
    Currently Stock
    Update:
    I checked the resistance on cylinder 1's injector and it read 25. I believe it should be between 14-18. Sounds like the problem.

    Ordering a new one tonight.

    Thank you for the advice!
     
    '99Tacoma, Jul 7, 2016
    #4
    Brie likes this.
  5. Aug 20, 2016 at 5:50 PM
    #5
    Brie

    #5
    Brie Well-Known Member

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    Was that the solution?
     
    Brie, Aug 20, 2016
    #5
  6. Aug 21, 2016 at 10:07 AM
    #6
    '99Tacoma

    #6
    '99Tacoma [OP] Member

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    1999 Tan Tacoma 4WD
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    This was definitely the solution Brief! Fired right up and is running smooth again!

    Thank you!
     
    '99Tacoma, Aug 21, 2016
    #6
    Brie likes this.
  7. Oct 20, 2016 at 10:54 PM
    #7
    Brie

    #7
    Brie Well-Known Member

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    You tested it with a regular multimeter, right?
     
    Brie, Oct 20, 2016
    #7
  8. Oct 21, 2016 at 2:45 AM
    #8
    1988Mercedes

    #8
    1988Mercedes Well-Known Member

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    CHARLES
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    2020 AG PRO MT
    I changed one out this week and it ohmed out good at 14 ohms. Mine was #6 cyl. and that's no fun to get too. I thinking about just replacing them all.
     
    1988Mercedes, Oct 21, 2016
    #8

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